Winding machine



E. A. WENTZ WINDING MACHINE Nov. 4, 1958 7 Sheets-Shet ,1

Filed March 4, 1955 INVENTOR. Z'dwzdA. M922 f2 wz E. A. WENTZ WINDINGMACHINE Nov. 4, 1958 Filed March 4, 1955 '7 Sheets-Sheet 2 INVENTOR. 'EaWardA. Film/z ATTORNEY E. A. WENTZ WINDING MACHINE Nov. 4, 195s '7Sheets-Sheet 5 Filed March 4, 1955 INVENTOR. BY l'dWa z'dA. hzzfz ArrowE. A. IWENTZ WINDING MACHINE Nov. 4, 1958 '7 Sheets-Sheet 4 Filed March4, 1955 INVENTOR. Edward A. Plezz/z' ATTORNEY fizzy 7 Sheets-Sheet 5 E.A. WENTZ WINDING MACHINE Nov. 4, 1958 Filed March 4, 1955 I INVENTOR.Edna/11A. %z2/z ATTORNEY Nov. 4, 1958 E. A. WENTZ WINDING MACHINE FiledMarch 4, 1955 1 7 Sheets-Sheet 6 HVVENTDR.

BY inward/4. hzz/z WINDING MACHINE Edward A. Wentz, Montclair, N. J.,assignor to Specialties Development Corporation, Belleville, N. J., acorporation of New Jersey Application March 4, 1955, Serial No. 492,12414 Claims. (Cl. 242-7) The present invention relates to windingmachines, and, more particularly, to a machine for winding yarn or thelike on objects having a generally oval cylindrical shape.

The present invention is primarily concerned with the manufacture ofreceptacles, commonly known as cylinders, for storing fluid media underpressure which receptacles comprise a hollow shell having a winding ofresin impregnated yarn applied thereto, whereby, in effect,

I United States Patent receptacles having walls constructed of resinreinforced with yarn are built up. The machinein accordance with thepresent invention is particularly adapted for applying such windings butalso can be utilized for applyingwinda ings of yarn or wire to metalliccylinders solely for the purpose of reinforcing the same or to protectthem against shattering when pierced by a projectile.

Accordingly, an object of the present invention is to.

provide a relatively simple and practical machine for applying suchwindings in a rapid and economical manner. Another object is to providesuch a machine which is adapted to apply a cylindrical or hoop windingand an end'over-end winding on objects having a cylindrical body andhemispherical ends.

Another object is to provide such a machine which is operable toalternately apply the two types of windings. A further object is toprovide such a machine wherein the change from one type of winding tothe other is effected in a rapid and convenient manner and withoutdistrubing the object on which the winding is being applied. A stillfurther object is to provide such a machine which is adapted forautomatic, semi-automatic or manual control.

Other and further objects of the invention will be obvious upon anunderstanding of the illustrative embodiment about to be described, orwill be indicated in the appended claims, and various advantages notreferred to herein will occur to one skilled in the art 'upon employmentof the invention in practice. A preferred embodiment of the inventionhas been chosen for purposes of illustration and description, and isshown in'the accompanying drawings, forming a part of the specification,wherein: M

Fig. 1 is a schematic View of a cylindrical shell, illustrating the pathof the winding applying means while applying an end-over-end windingthereon.

Fig. 2 is a similar view illustrating a cylindrical or hoop windingbeing applied to the shell.

Fig. 3 is an elevational view of the upper portion of the machine asseen from one side thereof. 1

Fig. 3a is an elevational view of the lower portion of the side of themachine shown in Fig. 3, Figs. 3 and 3a when combined constituting acomplete side view of the machine.

Fig. 4 is an elevational view of the upper portion of the machine asseen from the oflier side thereof.

of the machine.

2,858,992 Patented Nev. 4, 1958 APPLICATION OF THE WINDING Referring tothe drawings in detail and more particularly to Figs. l and 2 thereof,there is shown a cylindrical shell C in the course of having aresin-impregnated yarn Y applied thereto. For example, the yarn may becomposed of fiber glass threads which are impregnated With any suitableresin adapted to harden to a solid state. The shell C comprises acylindrical body B, generally hemispherical ends E, and a spud S at oneof the ends which provides an inlet and outlet for the receptacle beingmanufactured.

As shown in Fig. 1, the shell C has an oval or endover-end winding 0applied thereto by moving the winding applying means in a continuouspath approximating the outline of the shell while rotating the shellabout its longitudinal axis. This path is generally oval, and hassemi-circular endzones and has substantially straight or slightly curvedside zones between the end zones.

The machine illustrated herein and about to be described is constructedand arranged to provide such windings.

As shown in Fig. 2, the body' B has a cylindrical or hoop winding Happlied thereto by traversing the winding applying means in asubstantially lineal path at oneside of the oval path shown in Fig. 1while rotating the shell.

GENERAL DESCRIPTION OF THE MACHINE Generally described, the machineshown in Figs. 3, 3a, 4, 5, 6 and 7 comprises a frame, a drive mountedon the frame, a support for the object having the winding appliedthereon, mechanism operated .by the drive for rotating the support,means for applying the winding onto the object, mechanism for moving theapplying means in an oval path, mechanism for rocking or tilting thesupport, mechanism for progressively varying the speed of rotation ofthe support while being tilted, and mechanism for traversing theapplying means. These components will be described in detailhereinafter.

In addition, the machine includes means operable to automaticallyprogram the operations of the machine in any desired sequence.

The frame 25 connected between the plate 17 and the posts 22.

The base and the bars have elements of the machine mounted thereon andthe plates have openings through which shafts, chains and the like areadapted to pass and have bearings mounted thereon for the purposes to bedescribed hereinafter.

The main drive supported by bearings 29, 30 and 31 respectively securedto the plates 11, 12 and 17 (Fig. 3a), and a variable speed drivemechanism 32 driven by the motor for effecting rotation of the driveshaft at a constant predetermined speed.

The main drive shaft powers the various mechanisms of the machine in themanner to be described hereinafter with particular reference to suchmeehanisrns,

The work support. As best shown in Figs. 3 and 5, the work 01? objectsupport (for the shell C of the illustrative embodin ent, herein)comprises an upright spindle 34 having means at the upper end thereoffor. attaching the spud S of the shell to mount the same in invertedposition for rotationwith the spindle, a pair ofspaced apart hori:zontal bars 35provided with. bearings 36 for rotatably; mounting thespindle, a pair of side plates 37'for supporting the bars, a horizontalshaft 38 having its ends rotatably, supported bybearings 39 mounted onthe plates 37, a'sprocket 40 anda worm gear 41 on the shaft 38, a wormwheel 42 on the spindlein driving connection with the gear 41, and meansfor mounting the plates 37 between the bars 25 and drive mechanism forthe sprocket 40 which will be described in connection with the worksupport rocking or tilting mechanism.

If desired, the spindle may have a bore or passageway 33: extendingtherethrough, adapted for connection to a source fluid under pressurewhich may thereby be introduced into the shell to pressurize the sameand prevent collapse thereof in the event the winding is applied underconsiderable tension.

The winding applying means As already indicated in. connection with thebrief description ofFigjs. 1 and 2, the winding applying means areadapted to alternately provide an end-over-end winding andacylindrical'or hoop winding, and, to accomplish such purpose, thewinding applying means essentially comprise yarn .guiding means,mechanism for moving the guiding means in an end-over-end or oval pathand for trayersihgthe same, and yarn supply means.

Referringagainto Figs. 3 and 5, there is shown a bracket 44 exte'ndingoutwardly from the plate 17 and including an oblong] upright end plate45, upper and lower horizontal shafts 4 6 and 47 each having one endsupported by a bearing 48-on the plate and having the other endextendingthrough a bearing 49 on the plate 17, a pairof spaced apartsprockets 50 secured for! rotation on each of, the, shafts 46 and 47between theplates 17 and 45, chains 51 connecting aligned upper andlower sprockets and thereby having an oval path, and a horizontal rod52connected to each of the chains 51 for movement therewith in an ova l..path disposed in a vertical plane and extending outwardly to about theplane in which the spindle 34 rotates for operating the yarn guidingmeans about to be described.

The yarn is supplied to the yarnguiding means through a horizontal tube54 mounted for rotation and. extending through bearings 55 on the plates12 and 17 and having an end projecting outwardly through the, plate 45and beyond the outer set of sprockets 50. This tube is centrally locatedwith respect to the path of the. chains 51.

A-ring member 56 .is mounted on the projecting end of the tube 54 forrotation therewith and is formed with a centrally and outwardly offsetportion or extension 57 having a bore for slideably receiving a rod 58.One end of this rod is secured to therod 52 and the other end extendsthrough and is movable with respect to the portion 57.

In order to guide the yarn suppliedthrough the tubev for winding ontothe shell, a roller 59 i is. mounted on.

the extension 57 facingthe tube opening, a roller 60 is mounted on thefree end of the rod 58, a roller 61 is mounted adjacent the fixed ,endof the rod 58, and

a roller 62 is mounted at the outer end of the rod 52.

As viewed in Figs. 3 and 4,.the yarn leaves the-tube 4. 54, passes overthe roller 59, under the roller 60 and over rollers 61 and 62, and islaid on the shell endmverend as the shell rotates.

With this arrangement, the roller 62 moves in an oval path in closeproximity to the shell which path generally approximates the outline ofthe shell, that is the longitudinal sectional shape thereof.

The chains 51, in passing from one sprocket 50 to another, may move in alineal direction, that is, vertically as shown. However, this zone ofthe chain path maybe bowed outwardly slightly by idlers 64 mounted onrods 65fixed to the plates 17 and 45 midway between the sprockets 50 andextending outwardly beyond the plate 45.

If desired, a protective plate 66 having a central opening 6'1" for thering member extension 57 may be mounted between the path of the rod 58and the outer sprockets 50 by securing the same to the outer ends of therods 65.

The winding applying means drive he drivefor the winding applying meansincludes gear change means for effecting rotation of the chain operatingsprockets 50at a high speed and a low speed, and gear change means foreffecting rotation of these sprockets in either direction.

As shown in Figs. 3, 3a, 4 and 5, the speed change drive comprises aconventional solenoid controlled duplex.

chain 81 connecting the input shaft thereof to the main 7 drive shaft27, and an output-shaft 82 rotatable ata high orlow speed dependingonwhich input drive is in operative connection therewith, journalled forrotation.

in: bearings 83' on the plates 12 and 17.

The direction change drive is driven by the speed change drive, andcomprises a conventionalsolenoid controlled clutch 84 having an inputdrive 85 driven from a shaft 86journalled for rotation between bearings87 on the plates 12 and 17 through sprockets 88 and 89: and a chain 90and a sprocket 91 on the shaft 86.

connected to a sprocket 92 on the output shaft 82, by a chain 93 andhaving a second input drive 94 driven from a shaft 95 journalled forrotation between bearings 96 on the plates 12 and 17 through sprockets97 and 98 and a chain 99 andgears 100 and 101 on the shafts 86 and 95whereby these shafts rotate in opposite directions, and an output shaftherein shown as the upper winding applying means drive shaft 46 whichextends through the clutch 84 to a bearing 102 on the plate 12 and whichis operable in either direction depending upon which input drive is inoperative connection therewith.

The purpose of this drive will be understood more fully from thedescription of the control circuit including the drive therefore and theoperation of the machine.

The work support tilting means Aspreviously-indicated, the work supportassembly is mounted in a manner to rock or tilt the same while anendeover-endis applied to the shell, whereby the angle at which suchwinding is applied'is varied with respect to the axisof rotation of theshell.

This is accomplished by providing a trunnion or bearing-arrangement ateach side of the work support assembly, for example, bearings of theself aligning type knownas a fI-Ieim bearing (Figs. 3, 4 and 5). Suchbearings comprise a body member 104 secured to each of the plates 37 andhaving-a generally spherical seat 105, and an apertured ,generallyspherical member 106 received by the seat.. The members 106 are eachslidably mounted-on a rod 107 which extends through-the aperassessesture thereof and is supported in fixed position by-the bar-25 at theends thereof. Contaminationof the rods 107 is prevented to maintaintheinembers'106 slide'able thereon by suitable means such as accordionpleated sleeves 108 positioned between the ends of the rod 107 and eachside of the member 106. Rocking or tilting of thework support iseffected by an arrangement whichcomprises a pair of parallel spacedapart members 109 pivotally suspended on a shaft 110 mounted forrotation by bearings 111 (Fig. 7) on the bar 20, a pair of spaced upperand lower horizontal rods or links 112 having their ends pivotallyconnected to each of the plates 37 and the members 109, and a rod 113pivotally connected to each of the members 109 and operated by cammechanism 114 (Figs. 3, 4 and6) to rock the members 109 as describedhereinafter, whereby the links 112 rock or tilt the work supportassembly. l

The upper links 112 may be formed in two sections connected by anextension joint 103 including a spring, whereby,when the work supportassembly contacts a stop 23 on the frame, the work is rocked or tiltedabout a pivot point closer to the Work than that of the bearing body 104and thus enabling the work to be tilted at a greater angle thanotherwise possible. This arrangement is desirable for applying certaintypes of end-over-end windings.

The work support drive and tilting mzeans operating a I mechanism Theportion of this drive more directly associated with the work support isarranged to cooperate with the tilting' means just described so thattilting of the work support does not disturb its operation.

As shown in Figs. 3, 4 and 7, this portion of the work support drivecomprises a pair of spaced sprockets 115 and 116 mounted on and forrotation with a' shaft supported between the pivotally suspended members109 at the lower ends thereof, a'chain 117 connecting the sprocket 40 ofthe work support assembly and the sprocket 115, a spring urged idler 118for taking up slack in the chain 117 due to sliding movement of the worksupport assembly on the rods 107, a pair of spaced sprockets 119 and 120mounted on and forrotation with the shaft 110, a chain 121 connectingthe sprockets 116 and 119, and a chain 122 connecting the sprocket 120to drive means about to be described.

Since it is desirable to rotate the shell at a high speed when applyinga cylindrical or hoop winding to speed up production and it is requiredto rotate the shell at a predetermined low speed in order to lay theend-overend winding thereon, provision is made for driving the chain 122at such speeds. Also, since,-under certain operating conditions, it isdesirable to progressively vary the speed of rotation of the shell whiledriven at a low speed for end-over-end winding in relation to the angleat which the axis of rotation of the shell is tilted to its normalvertical position, provision is made for so coordinating the speedvarying means and the tilting operating means through the cam mechanism114.

This is accomplished by a conventional variable speed drive 123 havingan output sprocket 124 connected to the sprocket 120 by the chain 122and having an input sprocket. 125, and a conventional solenoidcontrolled duplexv clutch 126 (Fig. 3a and 6) having a high speed inputdrive 127 driven by a chain 128 connected to a sprocket 129 of thehighspeed output shaft of a high and low speed gear box 130, driven fromthe main drive shaft 27 by sprockets 131 and 132 and a chain 133, andhaving a low input speed drive 134 driven by a chain 135 connected to asprocket 136 of the low speed outputdrive shaft of the gear box 130. n vThe cam mechanism 114 which controls speed change of the variable drive.123 and the operation of the work support tilting rods 113, aspreviously mentioned, comprises a cam drum 139 having a continuoushelical groove 140, a shaft 141 for mounting the cam drum for' rotationtherewith journalled for rotation between bearings 142 on the plates 11and 12, means for rotating the shaft 141 including sprockets and chainsand a gear box 143 driven from the main drive shaft 27 through aclutch-brake 144 (Fig. 3a), a cam follower 145 in the cam groove andmounted on a slide 146 having the rods 113 linked thereto and beingsupported on a pair of rods 147 secured between the plates 11 and 12, asecond cam follower 148 in the cam groove diametrically opposite thefollower 145 and mounted on a slide 149 having a gear rack 150 oppositethe follower 148 and being supported on a pair of rods 151 similar tothe rods 147, and a speed control device for the variable drive 123including a sprocket 152 on a control shaft 153, a chain 154 on thesprocket 152, a second sprocket 155, a chain 156 on the sprocket 155,flexible strands '157 connecting the ends of the chains 154 and 156, anda gear 158 meshing with the rack 150 and connected for rotating thesprocket to operate the control shaft 153 (Figs. 3 and 6).

The input sprocket 125 of the variable speed drive 123 is driven by achain 160 connected to a sprocket 161 driven by the output of the clutch126. l j The clutch-brake 144 serves to connect the cam drum 139 forrotation by the main drive shaft when in one position and serves as abrake when in its other position to prevent rotative movement 'of thecam drum due to the thrust of the rods 113 on the follower 145.

The timing mechanism In applying windings to the shell, it isdesirabl'eto alternately apply one onmore winding-s of one kind and oneor more windings of the other kind until suflicient windings have beenapplied to produce a container having a desired wall thickness. This isgenerally accomplished by operating the clutches 69, 84 and 126, and theclutchbrake 144 in a predetermined sequence and under the control of anelectrical circuit, about to be described, which in turn is controlledby rotation counting or timing mechanism associated with the machine.

In general, such mechanism comprises a shaft 165 supported by bearings166 between the plates 12 and 17 (Figs. 4 and 7), a sprocket 167 on theshaft 165, ,a sprocket 168 on the winding applying means drive shaft 47,a chain 169 connecting the sprockets 167 and 168 whereby the shaft 165rotates in a predetermined relation with the shaft 47 four wheels 170,171, 172 and 173 mounted for rotation with the shaft and each having adog or extension 174 thereon, and four switches 175, 176, 177and 178,one for each wheel and adjacent thereto to enable the dog of its wheelto operate the same upon the completion of one revolution of the shaft165. The switches supply impulses to conventional counters of type whichopen and/ or close control switches for the solenoids of the clutches asdescribed hereinafter.

The timing mechanism further includes Wheels 179 and 180 (Figs. 3, 4 and6) on the cam drum shaft 141 each having a dog 181 for respectivelyoperating a switch 182 and a switch 183 (directly in back of the switch182, as viewed in Fig. 6) which in conjunction with the other timingmechanism controls the operation of the cam.

The control circuit moving the clutch-69 into position for efiectinglowspeed operation winding applying means; solenoids 209., 210 and 211connected across the conductors 201*and 205 for respectively movingtheclutch 69 into position for effecting high=speed operationzof thewindingapplying means, moving the clutch ;-126 intoposition'foreffecting low speed rotation of 'the .spindle .34..and .moving theclutch1144 into positionfor .efiecting'rotation of the cam drum .139; aswitch .212 having vcontacts c and .d, and arms .213 and .214respectively connected to the contacts a and .b .and constructedandarranged'so that the arms 213 and 214, in theposition shown,rrespectivel-y engage the .contactsc and d, and, in another position,the arm 213 engages thecontact d; .a solenoid 215 connected across theconductor201 and thecontactcfor moving the clutch 84 .into .apositionfor-effecting operation of the winding applying means in .onedirection (e. g. downwardly); and-.a.solenoid .2l6 connected across theconductor 201 and :the :contact..d.-for moving the clutch 84 into aposition for effecting operation -of the winding applying means in theopposite direction (e. g. clockwise or upwardly).

The switches206 and 212 may be arranged for manual operation, but, asalready indicated, these switches may be under thecontrol of the timingmechanism. This may be accomplished providing mechanism for shiftingeach of these switches from one position to another at desired intervalsdetermined by counting the number of various operations the machine hasperformed.

For example, the switch 206 may be controlled by a pair of solenoids2-17 and 218 which respectively are energized by counting .switches 219and 220 under the control ofthetiming mechanism switches 175 and 178,respectively. Likewise, the-switch 212 may be controlled by:a solenoid221 which is-energized by counting switches under the control of thetiming mechanism switches 176 and 177.for-alternatelyclosing and openingthe solenoid switch 224, the armature of this-solenoid controlling thearms .213 and 214 being spring urged into the position shown when thesolenoid is dc-energized.

- Operation Inoperation, with the master switch 203 closed, and with theswitches 206 and 212 in the positions shownin Fig. 8, the machine issetup for applying a cylindrical or hoop winding such asshown in Fig. 2..-In such .operation, the spindle 34 is rotated at high speed and thewinding applying means is traversed in a downward direction along itssubstantially straight vertical path until it reaches the lower limit of.the.hoop winding, whereupon the switch 224 energizes the solenoid 221to move the switch arm 213 into engagement with the contact d toenergize the solenoid 216. The winding applying means is then traversedin an upward direction in thesame path until it reaches the upper limitof the hoop winding, whereupon the switch 224 is opened and thissolenoid is de-energized to cause the switch arm 213 to move into thefirst mentioned and illustrated position. Alternate closing and openingof the switch 224 under the control of the timing mechanism effectstraversing of the winding applying means.

After a predetermined number of layers of hoop windings have beenapplied, the switch 219 is caused to energize the solenoid 217 whichmoves the arm of the switch 206 into engagement with the contact b toset up the machine for applying an end-over-end winding such as shown inFig. 1. In such operation, the spindle 34 is rotated at low speed, thewinding applying means are operated at high speed to move the yarnguiding elements in an oval clockwise path, and the cam drum is rotatedtoeffecttilting of the spindle and to progressively vary the speed atwhich the spindle is rotated in small increments. During such operation,thearm 214 engages the contact d tomaintain the clutch solenoid 216energized and effect clockwise movement of the yarn .applying means.This operation continues until 'the .switch 220 is caused to energizethe.solenoid.218 to reverse the switch 206 .to the-position shownherein.

Conclusion From the foregoing description, it will be seen that the.present inventionprovides a-relativelysimple, practicalandefiicientmachine .for applying hoop and .endover-end windings .on shellsto either build up a containerstructure or to reinforce the same,provision being made for rapidly switching from one type of winding toanother. The machine is .suflicientlyrugged in construction towithstandany rough usuage to which it may be normally subjected, .lbutyet is compact and requires only a small working-area.

The term yarnjis used in its broadest senseherein and is intended toinclude strands, filaments, strips, ribbons, wires, threads and the likeformed of any material which is sufiicientlyfiexible to enable the sameto be wound in the mannendescribed herein.

'While chains and sprockets have been disclosed as drive connectingmeansffor various shafts herein, it will beundertsood that belt andpulley drives or their equivalents could beutilized, and, that theinvention is in no way limited thereto.

As various changes may be made in the form, construction and arrangementof the parts herein, without departing from the spirit and scope of theinvention and without sacrificingiany-tof itsadvantages, it is to be-understood that all mattenhereinis do be interpreted as illustrativeand not .in any limiting sense.

.I claim:

'1. 'Inawinding machine of the class described, the combination of asupport for an object adapted to have yarn wound thereon, .meansforrotating said support, means for guiding'the yarn to be wound on theobject, endless flexibl'econveyor means for moving said yarn guidingmeansabout the object in a continuous path disposed ina given plane andapproximating the outline of the object to wind the yarn on the object,means for rockingsaid support'in a plane substantially perpendicularto'the plane in which'the continuous path is disposed, and means forprogressivelychanging the speed of said support rotating means insynchronism with said support rocking means.

.2. A winding'machine according to claim 1, wherein said speed changingmeans'are constructed and arranged to cause .said supportrotating meansto be operated at its lowest speed when said supportis in itsintermediate position andat its highest speed'when in its endpositions.

3. A winding machineaccording to claim 1, including mechanism forcontrolling said speed changing means and said support rocking means,said mechanism comprising acam having a continuous helical dwell,follower means in said dwell-operatively connected to said speedchanging means, follower'means in said dwell opposite said firstmentioned follower means and operatively connected to saidsupportrocking means, and means for rotating said cam.

4. In a winding machine of the class described, the combination of asupport for an object on which yarn is'adapted to be wound,'means formounting said support for tilting movement including means for rotatingsaid support and the object thereon, a pivotally suspended member, apair 'of spaced upper and lower parallel rods pivotally connected tosaidmember and said mounting means,meansfor rocking said member toefiect tilting of said mounting means and the object on said support,and means for'winding'yarn on the object.

5. In a winding machine of the class described, the combination of asupport for an object on which yarn is adapted to be wound, means formounting said support for tilting movement including means for rotatingsaid support and the object'thereon, a member pivotally suspendedadjacent one end thereof, a pair of spaced upper and lower parallel rodspivotally connected to said member and said mounting means, means forrocking said member to effect tilting of said mounting means and theobject on said support, means for winding yarn on the object, and drivemeans for said rotating means including a drive sprocket on said member'adiacent its pivotally suspended end, a driven sprocket on said memberadjacent its other end, a chain connecting said drive and drivensprockets, a drive sprocket mounted on said member for rotation withsaid driven sprocket, a driven sprocket on said mounting means, and achain connecting said last mentioned drive and driven sprockets.

6. In a winding machine of the class described, the combination of asupport for an object on which yarn is adapted to be wound, means formounting said support for tilting movement including means for rotatingsaid support and the object thereon, a pivotally suspended member, apair of spaced upper and lower parallel rods pivotally connected to saidmember and said mounting means, means for rocking said member to etfecttilting of said mounting means and the object on said support, and meansfor winding yarn on the object, said mounting means including bearingmeans and means for slideably supporting said bearing means.

7. In a Winding machine of the class described, the combination of asupport for an object on which yarn is adapted to be wound, means formounting said support for tilting movement including means for rotatingsaid support and the object thereon, a pivotally suspended member, apair of spaced upper and lower parallel rods pivotally connected to saidmember and said mounting means, means for rocking said member to effecttilting of said mounting means and the object on said support, and meansfor winding yarn on the object, said mounting means including bearingmeans and means for slideably supporting said bearing means and flexiblesleeves for enclosing said bearing supporting means.

8. In a winding machine of the class described, the combination of asupport for an object on which yarn is adapted to be wound, means formounting said support for tilting movement including means for rotatingsaid support and the object thereon, a pair of parallel pivotallysuspended members, a pair of spaced upper and lower parallel rodspivotally connected to each of said members and said mounting means,means for rocking said members to efiect tilting of said mounting meansand the object on said support, and means for winding yarn on theobject.

9. In a winding machine of the class described, the combination of asupport for an object on which yarn is adapted to be wound, means formounting said support for tilting movement including means for rotatingsaid support and the object thereon, a pair of parallel pivotallysuspended members, a pair of spaced upper and lower parallel rodspivotally connected to each of said members and said mounting means,means for rocking said members to efiect tilting of said mounting meansand the object on said support, and means for winding yarn on theobject, said mounting means including a pair of bearings for pivotallysupporting the same and means for slideably supporting each of saidbearings.

10. In a winding machine of the class described, the combination of asupport for an object on which yarn is adapted to be wound, means formounting said sup port for tilting movement including means for rotatingsaid support and the object thereon, means for varying the speed of saidsupport rotating means including a cam, a pivotally suspended member, apair of spaced upper and lower parallel rods pivotally connected to saidmember and said mounting means, means operated by said cam for rockingsaid member to effect tilting of said mounting means and the object onsaid support, and means for winding yarn on the object.

11. In a winding machine of the class described, the combination of asupport for an object on which yarn is adapted to be wound, means formounting said support for rotation, means for rotating said support,means for winding yarn on the object, and drive means for said Windingmeans including reversing means and speed change means for driving saidWinding means at a high speed and a low speed through said reversingmeans.

12. in a Winding machine of the class described, the combination or" asupport for an object on which yarn is adapted to be wound, means formounting said support for rotation, means for rotating said support,means for winding yarn on the object, drive means for said winding meansincluding reversing means and speed change means for driving saidwinding means at a high speed and a low speed through said reversingmeans, and means for progressively varying the speed of said supportrotating means.

13. In a Winding machine of the class described, the combination of asupport for an object on which yarn is adapted to be wound, means formounting said support for rotation, means for rotating said support,means for winding yarn on the object, drive means for said winding meansincluding reversing means and speed change means for driving saidwinding means at a high speed and a low speed through said reversingmeans, means for progressively varying the speed of said supportrotating means, means for rocking said support mounting means, and a camfor controlling said last mentioned means and said speed varying means.

14. in a winding machine of the class described, 'the combination of asupport for an object adapted to have yarn Wound thereon, means forrotating said support, means for guiding the yarn to be wound on theobject, mechanism for selectively moving said yarn guiding means toapply an end-over-end winding on the object and to apply a hoop windingon the object, drive mechanism for said support rotating means, andautomatic control means for said drive mechanism for efiecting rotationof said object at a low speed While an end-oven end winding is beingapplied and at a high speed while a hoop winding is being applied.

References Cited in the file of this patent UNITED STATES PATENTS730,635 Good June 9, 1903 1,250,436 Curry Dec. 18, 1917 2,019,364Schweizer Oct. 29, 1935 2,115,636 Kinnear et al Apr. 26, 1938 2,340,436Stone et al. Feb. 1, 1944 2,518,967 Witt Aug. 15, 1950 2,725,197 TaylorNov. 29, 1955

